The MOLOROLL Computer Speakers are compact and versatile, perfect for use with desktop PCs, laptops, and Macs. With a sleek black cube design, these 2.0 channel speakers are powered by USB for easy connectivity. At just 3.15*3.15*3.15 inches in size, they are lightweight at 1.57 pounds and are free and fast shipping from China. The MOLOROLL Speakers from moloroll offer clear audio in a portable speaker system that is ideal for any workspace.